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This badge has been awarded 54 times. Recently awarded to:
may 18 at 11:10
A “simple” 3rd grade problem…or is it? — AndSoYouCode 849125
may 18 at 7:09
Does .99999… = 1? — Noah Snyder 4,31611843
may 9 at 12:22
Is mathematics one big tautology? — Ittay Weiss 19.1k12868
may 6 at 4:56
A “simple” 3rd grade problem…or is it? — amWhy 54.7k771156
may 5 at 5:55
What was the first bit of mathematics that made you realize that math is beautiful? (For children's book) — LaceySnr 101115
may 3 at 20:43
A “simple” 3rd grade problem…or is it? — Twiceler 1,5311313
apr 30 at 15:17
Do complex numbers really exist? — Justin L. 3,87712344
apr 21 at 11:22
How to round 0.4999… ? Is it 0 or 1? — fgp 4,8741515
apr 19 at 12:46
Proofs that every mathematician should know? — Georges Elencwajg 44.9k23592
apr 15 at 2:29
Why do mathematicians use single-letter variables? — Dan Petersen 3,21511117
apr 14 at 14:27
Is value of $\pi = 4$? — Ross Millikan 83.6k555117
apr 1 at 14:06
Proofs that every mathematician should know? — user02138 5,99221746
mar 12 at 16:05
Can I use my powers for good? — Nick Wiggill 133116
mar 10 at 3:43
What was the first bit of mathematics that made you realize that math is beautiful? (For children's book) — Will 3501210
mar 9 at 23:28
What was the first bit of mathematics that made you realize that math is beautiful? (For children's book) — Devdatta Tengshe 101115
feb 22 at 19:24
What's next in this number series? — Brian M. Scott 155k17138275
feb 14 at 18:43
Is this Batman equation for real? — Jack 7,5161947
feb 12 at 0:08
Are half of all numbers odd? — Brian M. Scott 155k17138275
feb 9 at 23:04
Unusual 5th grade problem, how to solve it — Mark Eichenlaub 2,1911620
feb 3 at 15:28
Why can you turn clothing right-side-out? — Ryan Budney 13.3k32356
jan 31 at 18:01
Unusual 5th grade problem, how to solve it — Brian M. Scott 155k17138275
jan 22 at 18:43
Why can ALL quadratic equations be solved by the quadratic formula? — André Nicolas 161k14129282
jan 14 at 21:07
Examples of apparent patterns that eventually fail — Raymond Manzoni 15.3k22043
jan 12 at 0:04
The Mathematics of Tetris — Gilad Naor 1,146136
jan 3 at 15:29
Are there real-life relations which are symmetric and reflexive but not transitive? — amWhy 54.7k771156
dec 23 at 0:54
Can I use my powers for good? — Gerry Myerson 85.9k462141
dec 22 at 19:29
Prove every odd integer is the difference of two squares — orlandpm 2,3181517
dec 17 at 22:18
Can't argue with success? Looking for “bad math” that “gets away with it” — John Wordsworth 9,34331853
dec 17 at 2:37
Is there a quick proof as to why the vector space of $\mathbb{R}$ over $\mathbb{Q}$ is infinite-dimensional? — Gone 1866243
nov 28 at 0:50
Does Pi contain all possible number combinations? — Qiaochu Yuan 118k7245462
nov 24 at 12:39
Examples of apparent patterns that eventually fail — Peter Tamaroff 25.9k33088
nov 15 at 18:50
Too old to start math — Mathemagician1234 3,7442819
oct 22 at 10:14
Does Pi contain all possible number combinations? — Charles 8,85511353
oct 19 at 16:02
Does Pi contain all possible number combinations? — Brian M. Scott 155k17138275
sep 29 at 1:03
What is $x^y$? How to understand it? — Christopher A. Wong 6,5312819
sep 27 at 11:22
Self-Contained Proof that $\sum\limits_{n=1}^{\infty} \frac1{n^p}$ Converges for $p > 1$ — joriki 92.6k577167
sep 21 at 12:48
Complex math problem that is easy to solve — Gerry Myerson 85.9k462141
sep 21 at 0:27
What are imaginary numbers? — Clive Newstead 15.3k32265
jul 6 at 17:34
Is '10' a magical number or I am missing something? — ShreevatsaR 13.7k22248
may 17 '12 at 3:54
A challenge by R. P. Feynman: give counter-intuitive theorems that can be translated into everyday language — AgCl 2,13021726
may 14 '12 at 22:02
Why can you turn clothing right-side-out? — Ryan Budney 13.3k32356
apr 28 '12 at 20:42
Given a die, what is the probability that the second roll of a die will be less than the first roll? — Pete L. Clark 44.6k374162
apr 12 '12 at 2:23
How do you explain the concept of logarithm to a five year old? — maurice 861123
mar 5 '12 at 14:16
How can adding an infinite number of rationals yield an irrational number? — Mariano Suárez-Alvarez♦ 53.3k262128
jan 5 '12 at 19:34
In Russian roulette, is it best to go first? — Chris Cudmore 1,7221210
dec 15 '11 at 22:53
Multiple-choice question about the probability of a random answer to itself being correct — Henning Makholm 53.6k362135
nov 10 '11 at 8:40
The Mathematics of Tetris — Steven Stadnicki 14.2k32048
oct 25 '11 at 18:35
Construct a function which is continuous in $[1,5]$ but not differentiable at $2, 3, 4$ — Did 103k1074180
aug 31 '11 at 16:30
What is the result of infinity minus infinity? — Altar Ego 1,6121311
jul 31 '11 at 3:08
Is this Batman equation for real? — ShreevatsaR 13.7k22248
jul 7 '11 at 1:54
Is $dy/dx$ not a ratio? — Arturo Magidin 158k14250501
may 17 '11 at 22:53
Do complex numbers really exist? — Edan Maor 1,3311917
feb 10 '11 at 18:47
Given an infinite number of monkeys and an infinite amount of time, would one of them write Hamlet? — Ross Millikan 83.6k555117
nov 26 '10 at 11:41
Mathematical difference between white and black notes in a piano — Qiaochu Yuan 118k7245462